But let's look for a slight variant of it, where greedy is not so good. And that's what's called the zero-one knapsack problem.

但是让我们找一找它的一些变种，在这些变种中贪婪算法用处不大,这些问题也就是0/1背包问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

And as an added incentive for you to pay attention, I'm going to warn you that this particular simulation will appear in the final or a variant of it.

作为提高你们注意力的激励，我要警告你们,这个特殊的仿真程,或者它的变种会再期末考试出现。

麻省理工公开课 - 计算机科学及编程导论课程节选

Homer and Virgil and, well after them, Dante and innumerable others have all applied the simile of the leaves or some version of it to describe the numberless-ness of the dead.

荷马，维吉尔，在他们之后还有但丁,以及无法计数的曾经用过这个落叶比喻,或者变种版本来形容死者的数量极多的其他诗人们。

耶鲁公开课 - 弥尔顿课程节选